/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

'use strict';

const constant = require('./constant');
const decode = require('nodejs-sdk/packages/api/decoder');
const {check, Str, Num, Addr, Any} = require('nodejs-sdk/packages/api/common/typeCheck');
const ServiceBase = require('nodejs-sdk/packages/api/common/serviceBase').ServiceBase;
const {Web3jService, CompileService} = require('nodejs-sdk/packages/api');
const path = require("path");
const fs = require("fs");
const logger = require("../../utils/logger");
const {ContractsDir} = require("../constant");

const Condition = require('./condition').Condition;
const ConditionOp = require('./condition').ConditionOp;

module.exports.Condition = Condition;
module.exports.ConditionOp = ConditionOp;

class TitleEscrow extends ServiceBase {
    constructor(config) {
        super(config);
        this.web3jService = new Web3jService(config);
        this.compileService = new CompileService(config);
    }

    resetConfig(config) {
        super.resetConfig(config);
        this.web3jService.resetConfig(config);
        this.compileService.resetConfig(config);
    }

    async _send(titleEscrow, abi, parameters, readOnly = false) {
        let receipt = null;
        logger.debug("TitleEscrowService send: ", titleEscrow, abi, parameters);
        if (readOnly) {
            receipt = await this.web3jService.call(titleEscrow, abi, parameters);
            receipt = receipt.result;
        } else {
            receipt = await this.web3jService.sendRawTransaction(titleEscrow, abi, parameters);
        }
        logger.debug("TitleEscrowService receipt: ", receipt);
        try {
            let decoder = decode.createMethodDecoder(abi, null);
            receipt.output = decoder.decodeOutput(receipt.output);
        } catch (e) {
            logger.error("TitleEscrowService handleReceipt error:", e.message);
        }
        return receipt;
    }

    async transferToNewEscrow(titleEscrow, newBeneficiary, newHolder) {
        check(arguments, Addr, Addr, Addr);

        let parameters = [newBeneficiary, newHolder];
        return this._send(titleEscrow, constant.TITLE_ESCROW_PRECOMPILE_ABI.transferToNewEscrow, parameters);
    }

    async beneficiary(titleEscrow) {
        check(arguments, Addr);

        let parameters = [];
        return this._send(titleEscrow, constant.TITLE_ESCROW_PRECOMPILE_ABI.beneficiary, parameters, true);
    }

    async holder(titleEscrow) {
        check(arguments, Addr);

        let parameters = [];
        return this._send(titleEscrow, constant.TITLE_ESCROW_PRECOMPILE_ABI.holder, parameters, true);
    }

    async deployTitleEscrow(tokenRegistry, beneficiary, holder, titleEscrowFactory) {
        const contractName = "TitleEscrow";
        let contractPath = path.join(ContractsDir, contractName + '.sol');
        if (!fs.existsSync(contractPath)) {
            throw new Error(`${contractName} doesn't exist`);
        }

        let contractClass = this.compileService.compile(contractPath);
        let parameters = [tokenRegistry, beneficiary, holder, titleEscrowFactory];
        return await this.web3jService.deploy(contractClass.abi, contractClass.bin, parameters)
    }
}

module.exports.TitleEscrow = TitleEscrow;
